<template>
  <div class="login">
    <div class="box">
      <div class="avatar">
        <img src="../assets/logo.png" alt />
      </div>
      <el-form
        ref="loginFromRef"
        :model="loginForm"
        :rules="rules"
        class="from-box"
        label-width="0px"
      >
        <el-form-item prop="username">
          <el-input v-model="loginForm.username"></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input v-model="loginForm.password" type="password"></el-input>
        </el-form-item>
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="resetLoginFrom">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>
<script>
export default {
  data() {
    return {
      loginForm: {
        username: 'admin',
        password: '123456'
      },
      rules: {
        username: [
          { required: true, message: '请输入登录名称', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    resetLoginFrom() {
      console.log(this)
      this.$refs.loginFromRef.resetFields()
    },
    login() {
      this.$refs.loginFromRef.validate(async valid => {
        if (!valid) return
        const { data: res } = await this.$http.post('login', this.loginForm)
        if (res.meta.status !== 200) return this.$message.error('登录失败！')
        this.$message.success('登录成功！')
        window.sessionStorage.setItem('token', res.data.token)
        this.$router.push('/home')
      })
    }
  }
}
</script>
<style lang="stylus"  scoped>
$bg = #2b4b6b;

.login {
  background: $bg;
  height: 100vh;
  width: 100%;

  .box {
    width: 450px;
    height: 300px;
    background: #ffffff;
    border-radius: 3px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);

    .avatar {
      height: 130px;
      width: 130px;
      background: #fff;
      border: 1px solid #eeeeee;
      border-radius: 50%;
      padding: 10px;
      box-shadow: 0 0 10px #ddd;
      position: absolute;
      left: 50%;
      transform: translate(-50%, -50%);

      img {
        width: 100%;
        height: 100%;
        border-radius: 50%;
        background: #eeeeee;
      }
    }

    .from-box {
      position: absolute;
      left: 50%;
      top: 50%;
      transform: translate(-50%, -50%);
    }
  }
}
</style>